Safety Goggles Protective Eyewear Glasses Clear Lens Eye Protection Breathable The Tarvol Safety Goggles are a one-size-fits-all protective eyewear designed for adults. They are made of silicone and plastic materials and come with an adjustable fitting feature. The clear lens provides eye protection while allowing breathability. The goggles weigh 3 oz. Thanks for stopping. Please visit my slow growing store, read about me, my policies and view other items that may interest you. Also, I would be honored to be added to your saved seller list. **I always have money saving volume discounts on most items** David - thediscountretailer LLC